205/60R14 vs 195/55R15

195/55R15 is 0.24 in (6.1 mm) shorter than 205/60R14, a −1.01% diameter difference. With the speedometer set for 205/60R14, an indicated 60 mph is 59.4 mph on 195/55R15.

Is this a safe swap?

Diameter difference −1.01%: within the ±3% guideline

By overall diameter alone, 195/55R15 falls inside the ±3% range commonly used as a guideline when replacing 205/60R14. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.

To-scale drawing: 205/60R14 (23.69 in) vs 195/55R15 (23.44 in)205/60R1423.69 in × 8.07 in195/55R1523.44 in × 7.68 in
Side profile and tread width, drawn to the same scale.
205/60R14 vs 195/55R15 differences
Measurement205/60R14195/55R15Difference% diff
Overall diameter23.69 in (601.6 mm)23.44 in (595.5 mm)−0.24 in (−6.1 mm)−1.01%
Sidewall height4.84 in (123.0 mm)4.22 in (107.3 mm)−0.62 in (−15.7 mm)−12.80%
Section width8.07 in (205.0 mm)7.68 in (195.0 mm)−0.39 in (−10.0 mm)−4.88%
Circumference74.41 in (1,890.0 mm)73.65 in (1,870.8 mm)−0.75 in (−19.2 mm)−1.01%
Revolutions per mile852860+9+1.02%
True speed with the speedometer calibrated for 205/60R14
IndicatedActual on 205/60R14Actual on 195/55R15Difference
30 mph30.0 mph29.7 mph−0.3 mph
60 mph60.0 mph59.4 mph−0.6 mph
75 mph75.0 mph74.2 mph−0.8 mph

Ride-height change: 195/55R15 lowers the vehicle by 0.12 in (3.0 mm) at the axle (half the −6.1 mm diameter difference).

195/55R15 is 0.24 in shorter than 205/60R14 and 10 mm narrower, a 1.01% difference in overall diameter.

With the speedometer calibrated for 205/60R14, an indicated 60 mph is actually 59.4 mph on 195/55R15, and revolutions per mile change from 852 to 860.

195/55R15 mounts on a 15-inch wheel, a plus-1 fitment from the 14-inch wheel of 205/60R14.

Size pages

Other comparisons with 205/60R14

Other comparisons with 195/55R15

Source: Calculated from standard tire geometry formulas. Verified . How these numbers are calculated.